Peptide Property Calculator
Peptide Sequence (1/3 Letter Code)
pH Value
Post-Translational Modifications
None
Phosphorylation
Acetylation
Analysis Results
Molecular Weight:
0
Da
Isoelectric Point (pI):
0
Net Charge (pH 7.4):
0
GRAVY Score:
0
Property Analysis
Amino Acid Count:
0
Hydrophobicity Index:
0
Peptide Calculator - Molecular Weight & Properties
Complete Guide to Peptide Calculators
What Makes a Good Peptide Calculator?
✓ Real-time molecular weight calculation
✓ Isoelectric point (pI) prediction
✓ Post-translational modification support
Key Features
Our tool outperforms competitors like PepCalc and Bachem with:
3-letter code support
Phosphorylation mass adjustment
Interactive property visualization
Research Applications
Drug development calculations
Mass spectrometry analysis
Chromatography optimization
Q: How accurate is the molecular weight calculation?
Uses latest IUPAC atomic weights with precision to 0.01 Da.